According to a magazine, a cleaning solution of 5% bleach will remove mildew from a shower or tub.
how many ounces of bleach do you need to make a quart of 5% bleach solution?

A quart has 32oz in it. If the solution needs 5% bleach then all you do is multiply 32*(5/100) or 32*.05. Either way, the answer is 1.6. So you need 1.6 oz to make a quart 5% bleach solution.

Explanation:

the answer would be c